86 void mbedtls_md2_init( mbedtls_md2_context *ctx )  in mbedtls_md2_init()  argument
88     memset( ctx, 0, sizeof( mbedtls_md2_context ) );  in mbedtls_md2_init()
91 void mbedtls_md2_free( mbedtls_md2_context *ctx )  in mbedtls_md2_free()  argument
93     if( ctx == NULL )  in mbedtls_md2_free()
96     mbedtls_zeroize( ctx, sizeof( mbedtls_md2_context ) );  in mbedtls_md2_free()
108 void mbedtls_md2_starts( mbedtls_md2_context *ctx )  in mbedtls_md2_starts()  argument
110     memset( ctx->cksum, 0, 16 );  in mbedtls_md2_starts()
111     memset( ctx->state, 0, 46 );  in mbedtls_md2_starts()
112     memset( ctx->buffer, 0, 16 );  in mbedtls_md2_starts()
113     ctx->left = 0;  in mbedtls_md2_starts()
117 void mbedtls_md2_process( mbedtls_md2_context *ctx )  in mbedtls_md2_process()  argument
124         ctx->state[i + 16] = ctx->buffer[i];  in mbedtls_md2_process()
125         ctx->state[i + 32] =  in mbedtls_md2_process()
126             (unsigned char)( ctx->buffer[i] ^ ctx->state[i]);  in mbedtls_md2_process()
133             ctx->state[j] = (unsigned char)  in mbedtls_md2_process()
134                ( ctx->state[j] ^ PI_SUBST[t] );  in mbedtls_md2_process()
135             t  = ctx->state[j];  in mbedtls_md2_process()
141     t = ctx->cksum[15];  in mbedtls_md2_process()
145         ctx->cksum[i] = (unsigned char)  in mbedtls_md2_process()
146            ( ctx->cksum[i] ^ PI_SUBST[ctx->buffer[i] ^ t] );  in mbedtls_md2_process()
147         t  = ctx->cksum[i];  in mbedtls_md2_process()
155 void mbedtls_md2_update( mbedtls_md2_context *ctx, const unsigned char *input, size_t ilen )  in mbedtls_md2_update()  argument
161         if( ctx->left + ilen > 16 )  in mbedtls_md2_update()
162             fill = 16 - ctx->left;  in mbedtls_md2_update()
166         memcpy( ctx->buffer + ctx->left, input, fill );  in mbedtls_md2_update()
168         ctx->left += fill;  in mbedtls_md2_update()
172         if( ctx->left == 16 )  in mbedtls_md2_update()
174             ctx->left = 0;  in mbedtls_md2_update()
175             mbedtls_md2_process( ctx );  in mbedtls_md2_update()
183 void mbedtls_md2_finish( mbedtls_md2_context *ctx, unsigned char output[16] )  in mbedtls_md2_finish()  argument
188     x = (unsigned char)( 16 - ctx->left );  in mbedtls_md2_finish()
190     for( i = ctx->left; i < 16; i++ )  in mbedtls_md2_finish()
191         ctx->buffer[i] = x;  in mbedtls_md2_finish()
193     mbedtls_md2_process( ctx );  in mbedtls_md2_finish()
195     memcpy( ctx->buffer, ctx->cksum, 16 );  in mbedtls_md2_finish()
196     mbedtls_md2_process( ctx );  in mbedtls_md2_finish()
198     memcpy( output, ctx->state, 16 );  in mbedtls_md2_finish()
208     mbedtls_md2_context ctx;  in mbedtls_md2()  local
210     mbedtls_md2_init( &ctx );  in mbedtls_md2()
211     mbedtls_md2_starts( &ctx );  in mbedtls_md2()
212     mbedtls_md2_update( &ctx, input, ilen );  in mbedtls_md2()
213     mbedtls_md2_finish( &ctx, output );  in mbedtls_md2()
214     mbedtls_md2_free( &ctx );  in mbedtls_md2()